Terms used in this guideline

Asymptomatic bacteriuria

The presence of significant levels of bacteria in the urine with no symptoms of urinary tract infection (UTI).

Catheter-associated urinary tract infection

Catheter-associated UTI is defined as the presence of symptoms or signs compatible with a UTI in people with a catheter with no other identified source of infection plus significant levels of bacteria in a catheter or a midstream urine specimen when the catheter has been removed within the previous 48 hours (adapted from Infectious Diseases Society of America's guideline on catheter-associated UTI [2009]).

  • Public Health England
  • National Institute for Health and Care Excellence (NICE)